Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1988) New layered perovskites: ABiNb2O7 and APb2Nb3O10 (A=Rb OR Cs) Materials Research Bulletin, 23 (6). pp. 837-842. ISSN 0025-5408
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/002554...
Related URL: http://dx.doi.org/10.1016/0025-5408(88)90077-3
Abstract
New bismuth- and lead-niobates of formulas ABiNb2O7 and APb2Nb3O10 where A = Rb or Cs crystallizing in layered perovskite structures have been synthesized. The interlayer alkali ions in these compounds are easily exchanged for protons. The protonated oxides exhibit proton conductivity in the range 10-6 ohm-1cm-1 at room temperature. Formation of ABiNb2O7 compositions in layered perovskite structure in preference to pyrochlore structure is discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Niobates; Perovskites; Proton Conductors |
| ID Code: | 12417 |
| Deposited On: | 10 Nov 2010 06:26 |
| Last Modified: | 03 Jun 2011 05:12 |
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